Mining Incidents

Portable Plant #1 Metal/Non-Metal

Cornejo & Sons LLC · Surface
Controlled by Summit Materials LLC
Pittsburg, Crawford County, KS  ·  Abandoned
MSHA Mine ID: 1401462

Portable Plant #1 has $18K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
28
Years on record
1986–2022
Latest incident
Aug 2022
Compliance record
MSHA citations since 2002
90
citations
19
significant & substantial
$17,893
proposed penalties
$17,893
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
46
inspections on record
601
inspection hours
n/a
citations per 100 inspection hours
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
Rate withheld: 601 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Portable Plant #1 has $18K in proposed MSHA penalties and $0 outstanding across 0 contested dockets.

Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$18K
proposed penalties
$18K
current assessed
$18K
paid to date
$0
outstanding
88 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2022-12-21.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Quarterly safety rates
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q2 866 0 0 0.0
2023 Q1 3,235 0 0 0.0
2022 Q4 4,803 8 2 1665.6
2022 Q3 6,064 0 0 0.0
2022 Q2 6,895 0 0 0.0
2022 Q1 3,638 0 0 0.0
2021 Q4 5,807 8 1 1377.6
2021 Q3 6,408 0 0 0.0
Show 86 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2021 Q2 4,836 0 0 0.0
2021 Q1 2,818 0 0 0.0
2020 Q4 4,634 8 2 1726.4
2020 Q3 3,840 0 0 0.0
2020 Q2 5,198 0 0 0.0
2020 Q1 2,178 2 0 918.3
2019 Q4 4,092 0 0 0.0
2019 Q3 4,943 0 0 0.0
2019 Q2 3,989 7 0 1754.8
2019 Q1 2,656 0 0 0.0
2018 Q4 2,009 0 0 0.0
2018 Q3 3,481 0 0 0.0
2018 Q2 6,995 0 0 0.0
2018 Q1 9,730 4 2 411.1
2017 Q4 9,403 0 0 0.0
2017 Q3 10,921 0 0 0.0
2017 Q2 2,333 4 0 1714.5
2017 Q1 1,998 0 0 0.0
2016 Q4 9,066 0 0 0.0
2016 Q3 12,384 2 1 161.5
2016 Q2 9,384 0 0 0.0
2016 Q1 7,792 0 0 0.0
2015 Q4 7,131 5 2 701.2
2015 Q3 4,570 0 0 0.0
2015 Q2 7,570 4 0 528.4
2015 Q1 0 0 0
2014 Q4 4,389 0 0 0.0
2014 Q3 11,528 5 1 433.7
2014 Q2 0 0 0
2014 Q1 1,903 0 0 0.0
2013 Q4 5,938 0 0 0.0
2013 Q3 0 0 0
2013 Q2 9,171 3 0 327.1
2013 Q1 3,226 0 0 0.0
2012 Q4 3,632 0 0 0.0
2012 Q3 3,598 0 0 0.0
2012 Q2 9,245 0 0 0.0
2012 Q1 8,511 2 0 235.0
2011 Q4 8,848 0 0 0.0
2011 Q3 9,416 0 0 0.0
2011 Q2 9,151 4 1 437.1
2011 Q1 7,912 0 0 0.0
2010 Q4 9,752 2 2 205.1
2010 Q3 10,201 0 0 0.0
2010 Q2 9,583 0 0 0.0
2010 Q1 8,083 0 0 0.0
2009 Q4 8,951 0 0 0.0
2009 Q3 12,242 0 0 0.0
2009 Q2 12,913 1 1 77.4
2009 Q1 10,141 0 0 0.0
2008 Q4 11,845 3 2 253.3
2008 Q3 10,497 0 0 0.0
2008 Q2 12,270 0 0 0.0
2008 Q1 11,176 0 0 0.0
2007 Q4 12,197 0 0 0.0
2007 Q3 12,710 0 0 0.0
2007 Q2 11,521 7 0 607.6
2007 Q1 11,004 0 0 0.0
2006 Q4 11,647 0 0 0.0
2006 Q3 10,913 0 0 0.0
2006 Q2 10,167 4 1 393.4
2006 Q1 9,316 0 0 0.0
2005 Q4 11,097 0 0 0.0
2005 Q3 11,108 6 1 540.2
2005 Q2 10,238 0 0 0.0
2005 Q1 9,793 0 0 0.0
2004 Q4 9,914 0 0 0.0
2004 Q3 10,470 0 0 0.0
2004 Q2 9,895 0 0 0.0
2004 Q1 8,304 0 0 0.0
2003 Q4 9,708 0 0 0.0
2003 Q3 10,626 0 0 0.0
2003 Q2 10,278 0 0 0.0
2003 Q1 12,695 0 0 0.0
2002 Q4 12,724 0 0 0.0
2002 Q3 11,790 0 0 0.0
2002 Q2 12,188 1 0 82.0
2002 Q1 9,640 0 0 0.0
2001 Q4 13,591 0 0 0.0
2001 Q3 14,158 0 0 0.0
2001 Q2 11,849 0 0 0.0
2001 Q1 11,040 0 0 0.0
2000 Q4 9,098 0 0 0.0
2000 Q3 10,922 0 0 0.0
2000 Q2 13,241 0 0 0.0
2000 Q1 10,787 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

28 on file

2022 · 1 incident

August 10, 2022 KS · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor HANDTOOLS (NONPOWERED)
Cornejo & Sons LLC · Over-exertion (Not Elsewhere Classified)

Employee was cleaning material under the Cone when employee hit hard material in the center of the pile. The employee felt a "pop" between the shoulder blades and had pain in neck.

2017 · 1 incident

June 1, 2017 KS · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Midwest Minerals LLC · Fall to the walkway or working surface

EE was attempting to attach a chain from a front end loader bucket to a trailer to lift it up and remove jack stands. The front end loader moved forward and ee stepped back, stumbled and fell on back. EE has a cracked T7 vertebrae.

2010 · 1 incident

December 8, 2010 KS · Metal/Non-Metal ledgeman/hand, quarry man SLIP OR FALL OF PERSON
Midwest Minerals LLC · Fall to the walkway or working surface

EE climbed down from his haul truck and stepped on a piece of rock, causing him to fall backwards.When he reached back to break his fall he caused a slight fracture to his right wrist (distal radius).

2009 · 1 incident

July 15, 2009 KS · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDTOOLS (NONPOWERED)
Midwest Minerals LLC · Struck against stationary object

Employee was using a pry bar. The bar slipped and he hit his hand on the machinery he was prying on, causing a slight fracture to the back of his left hand.

2006 · 1 incident

March 6, 2006 KS · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Midwest Minerals LLC · Caught in, under or between a moving and a stationary object

Employee was helping clean trapped material from behind the driven sheave on the primary crusher. He was manually turning the sheave while another employee knocked the material out. He caught his left index finger between the sheave and the crusher frame, fracturing the finger.

2000 · 1 incident

November 8, 2000 KS · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Midwest Minerals LLC · Struck against a moving object

EMPLOYEE CLAIMS THAT IN EARLY OCT. HE WAS OPERATING A DOZER PUSHING ROCK, CLEANING UP PIT FLOOR.HE STATES HE WOKE UP THE NEXT MORNING & HIS LEGSWERE NUMB. HE NOTIFIED US ON 11/10/00 AFTER AN MRI SHOWED A HERNIATED DISK. HE'S BEEN OFF WORK SINCE 11/8/00. SURGERY PERFORMED ON 11/13/00.

1999 · 1 incident

February 26, 1999 KS · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Midwest Minerals LLC · Struck by flying object

EE WAS UNDERNEATH A D8K CAT DOZER DOING REPAIR WORK. EE GOT A SMALL PARTICLE OF METAL IN HIS EYE. EE WAS WEARING SAFETY GLASSES.

1998 · 1 incident

February 13, 1998 KS · Metal/Non-Metal outside foreman, leadman HANDTOOLS (NONPOWERED)
Midwest Minerals LLC · Struck by... (Not Elsewhere Classified)

EE WAS DRIVING A STEEL PIN WITH A SLEDGE HAMMER A SLIVER OF METAL BROKE OFF AND HIT HIM IN THE LEG CUTTING HIM. THE CUT REQUIRED 5 STITCHES.

1997 · 2 incidents

June 26, 1997 KS · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor HANDTOOLS (NONPOWERED)
Midwest Minerals LLC · Struck by... (Not Elsewhere Classified)

EE WAS TIGHTENING A BOLT ON AN AIRTRAC DRILL AND RAN THE SHARP END OF A WRENCH INTO THE PALM OF HIS HAND. THE CUT REQUIRED 5 STITCHES.

April 18, 1997 KS · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Midwest Minerals LLC · Over-exertion (Not Elsewhere Classified)

EE WAS WALKING OUT OF CRUSHER CONTROL SHACK AND TWISTED ANKLE, CAUSING A CONTUSION FRACTURE. HE DID NOT STEP ON ANYTHING, GROUND WAS LEVEL, UNKNOWN WHY HIS ANKLE TWISTED.

1994 · 4 incidents

October 3, 1994 KS · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDTOOLS (NONPOWERED)
Midwest Minerals LLC · Fall from machine

EMPLOYEE WAS LOOSENING ADJUSTING BOLTS ON IMPACTOR. THE NUT LOOSENED SUDDENLY CAUSING EMPLOYEE TO STRIKE HIS ELBOW ON THE IMPACTOR. EMPLOYEE THEN FELL TO GROUND. EMPLOYEE WAS UNCONCIOUS FOR AB OUT ONE MINUTE.

September 2, 1994 KS · Metal/Non-Metal OCCUPATIONAL SKIN DISEASES
Midwest Minerals LLC · Absorption of radiations, caustics, toxic and noxious substances

EMPLOYEE WAS TRIMMING WEEDS WITH A STRING TRIMMER ON MINE PROPERTY WHEN HE CONTACTED POISON IVY RASH SPREAD OVER HIS ENTIRE BODY

March 30, 1994 KS · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Midwest Minerals LLC · Caught in, under or between (Not Elsewhere Classified)

EMPLOYEE WAS CHANGING SCREEN DECKING AND CAUGHT HIS MIDDLE FINGER ON RIGHT HAND IN SCREEN OPENING. THIS RIPPED HIS FINGERNAIL OFF AND BROKE THE BONE ON THE TIP OF HIS FINGER.

January 28, 1994 KS · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Midwest Minerals LLC · Over-exertion in lifting objects

EMPLOYEE WAS LIFTING THE END OF A CONVEYOR AND FELT SOMETHING PULL IN HIS BACK. SUBSEQUENT X-RAYS WERE NEGATIVE, DIAGNOSED AS LOW BACK STRAIN.

1993 · 1 incident

August 3, 1993 KS · Metal/Non-Metal HANDLING OF MATERIALS
Midwest Minerals LLC · Over-exertion in lifting objects

EMPLOYEE LIFTED A 5-GAL FUEL CAN & FELT SOMETHING PULL IN GROIN AREA EMPLOYEE HAD HERNIA REPAIRED 4 YRS AGO & RE-INJURED WHEN LIFTING THE FUEL CAN

1992 · 1 incident

October 28, 1992 KS · Metal/Non-Metal weighman, scale person HANDLING OF MATERIALS
Midwest Minerals LLC · Over-exertion (Not Elsewhere Classified)

EMPL DISMOUNTING LOADER STEPPED OFF LAST STEP AND FELT STAB OF PAIN IN LOWER BACK. POSSIBLE HERNIATED DISC.

1991 · 1 incident

June 7, 1991 KS · Metal/Non-Metal coal/ore shovel operator, shoveler, power shoveler HANDLING OF MATERIALS
Midwest Minerals LLC · Caught in, under or between a moving and a stationary object

EE WAS LOOSING UP ADJUSTMENT BOLTS ON TAIL PULLEY ON A SECONDARY UNIT THE TAIL PULLEY SLIPPED BACK AND PINCHED HIS RIGHT INDEX FINGER.

1990 · 2 incidents

May 3, 1990 KS · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Midwest Minerals LLC · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS USING AN AIR SOCKET WRENCH TO TAKE OFF SOME NUTS AND THE SOCKET JUMPED BACK AND STRUCK EMPLOYEE ABOVE THE LEFT EYE. SOME STITCHES WERE TAKEN TO CLOSE THE WOUND.

March 12, 1990 KS · Metal/Non-Metal coal/ore shovel operator, shoveler, power shoveler HANDTOOLS (NONPOWERED)
Midwest Minerals LLC · Contact with hot objects or substances

HEATED A RIVET ON BOTTOM SIDE OF SHOVEL BUCKET, BENT OVER AND STRUCK RIVET TO SWELL IT AND A HOT CHIP FROM RIVET HIT LEFT EYE CORNER COMING IN BETWEEN TEMPLE AND SAFETY GLASSES. DOCTOR ORDERED HIM NOT TO RETURN TO WORK FOR FEAR OF INFECTION UNTIL ALL HEALED.

1989 · 1 incident

June 27, 1989 KS · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Midwest Minerals LLC · Struck by... (Not Elsewhere Classified)

WENT DOWN TO PIT TO SET PUMP END WHILE WORKING WITH THE SUCTION HOSE. IT SLIPPED OFF AND HIT HER IN THE MOUTH. EXPERINCED PAIN IN BACK OF NECK AND SWOLLEN LIP.

1988 · 1 incident

February 12, 1988 KS · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Midwest Minerals LLC · Fall to the walkway or working surface

MECHANIC WAS WORKING ON TRUCK WENT TO GET SOME TOOLS AND SLIPPED ON OILY GROUND INJURED LOWER BACK UNDERGOING CHIROPRACTIC CARE.

1987 · 3 incidents

June 9, 1987 KS · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Midwest Minerals LLC · Over-exertion in lifting objects

EMPLOYEE WAS LI0TING A BATTERY & HE TWISTED WITH THE BATTERY UPLIFTED AS HE DID SO HE FELT PAIN IN HIS NECK & UPPER BACK WHEN LATER SPREAD TO HIS MIDDLE LOWER BACK

April 23, 1987 KS · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Midwest Minerals LLC · Struck by flying object

TRUCK DRIVER WA8 OUT OF HIS TRUCK AT SHOT ROCK PILE. HE STOOPED OVER AT THE BASE OF PILE TO PICK UP DIRT CLOD. A ROCK FROM OFF THE ROCK PILE ROLLED DOWN AND HIT THE DRIVER IN THE UPPER LIFT TORSO AND HEAD1 DRIVER SUSTAINED AREA SKIN LOSS AND LACERATION, CRACKED TOOTH -POSSIBLE AGGREVATION OF ALREADY BROKEN COLLAR BONE

April 9, 1987 KS · Metal/Non-Metal FIRE
Midwest Minerals LLC · Accident type, without injuries

SCALE HOUSE CAU1HT ON FIRE SHIFT HAD ENDED AT 500PM FROM OUR INVESTIGATION IT IS OUR DETERMINATION THAT THE FIRE WAS DUE TO CARELESS SMOKING HABITS OF EMPLOYEE

1986 · 4 incidents

November 20, 1986 KS · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Midwest Minerals LLC · Fall from machine

MECHANIC WAS TI1HTENING THE DISCHARGE PIPE ON WATER PUMP.MAN WAS USING PIPE WRENCH AND STANDING ON THE FRAME OF THE PUMP.THE PIPE WRENCH SLIPPED OFF THE PIPE AND THE MECHANIC FELL TO THE GROUN D HITTING HIS E5BOW AND BACK.FELT PAIN IN LOWER BACK AND BETWEEN SHOULDERS.

October 24, 1986 KS · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Midwest Minerals LLC · Over-exertion (Not Elsewhere Classified)

I.NAME WAS AIDI3G OTHER EMPLOYEES TO CLOSE LID ON HAMMERMILL WHEN THE COVERALLS HE WAS WEARING BECAME ENTANGLED ON KNOB ON OUTSIDE OF MILL LID THIS ACTION PULLED I.NAME DOWNWARD & HE IMMEDIAT ELY JERKED HIMS9LF BACKWARD TO AVOID A FALL ON DOING SO HE FELT A PAIN IN HIS RT SHOULDER THIS INJURY WAS DUE TO THE FACE THAT THE MAN WAS WEARING HIS COVERALLS UNZIPPED

June 25, 1986 KS · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Midwest Minerals LLC · Caught in, under or between a moving and a stationary object

TRIED TO DISLOD1E ROCK FROM BIN BY TAPPING BIN WITH PRY BAR.GOT BAR STUCK AT POINT BETWEEN BIN AND CONV.BAR LODGED DOWNWARD AND SMASHED HAND AGAINST FRAME.RING & MIDDLE FINGER WERE SMASHED AND REQ STITCHES.V3OLATED SAFETY RULES BY WORKING ON EQUIP WHILE IN OPERATION.

April 29, 1986 KS · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator MACHINERY
Midwest Minerals LLC · Over-exertion in lifting objects

WATER PUMP, NOT3CED KINK IN DISCHARGE HOSE AND STARTED TO REMOVE KINK. THE PUMP BEGAN TO PUMP WATER AND THE DISCHARGE HOSE WRAPPED AROUND MAN S LEFT ARM, BROKE ARM IN 2 PLACES. ANY SUCK HOSE W SHOULD NOT BE H5NDLED WHEN PUMP IS IN OPERATION.

For insurers, brokers, and safety consultants

The full compliance file on Portable Plant #1

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.